diff options
Diffstat (limited to 'core/java/android/view/View.java')
| -rw-r--r-- | core/java/android/view/View.java | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java index 1815a3a..68caa53 100644 --- a/core/java/android/view/View.java +++ b/core/java/android/view/View.java @@ -1709,6 +1709,13 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility */ static final int DRAG_HOVERED = 0x00000002; + /** + * Indicates whether the view is drawn in right-to-left direction. + * + * @hide + */ + static final int RESOLVED_LAYOUT_RTL = 0x00000004; + /* End of masks for mPrivateFlags2 */ static final int DRAG_MASK = DRAG_CAN_ACCEPT | DRAG_HOVERED; @@ -8488,6 +8495,21 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility mPrivateFlags &= ~AWAKEN_SCROLL_BARS_ON_ATTACH; } jumpDrawablesToCurrentState(); + + // Resolving the layout direction. LTR is set initially. + mPrivateFlags2 &= ~RESOLVED_LAYOUT_RTL; + switch (getHorizontalDirection()) { + case HORIZONTAL_DIRECTION_INHERIT: + // If this is root view, no need to look at parent's layout dir. + if (mParent != null && mParent instanceof ViewGroup && + ((ViewGroup) mParent).isLayoutRtl()) { + mPrivateFlags2 |= RESOLVED_LAYOUT_RTL; + } + break; + case HORIZONTAL_DIRECTION_RTL: + mPrivateFlags2 |= RESOLVED_LAYOUT_RTL; + break; + } } /** @@ -9975,6 +9997,16 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility } /** + * <p>Indicates whether or not this view's layout is right-to-left. This is resolved from + * layout attribute and/or the inherited value from the parent.</p> + * + * @return true if the layout is right-to-left. + */ + public boolean isLayoutRtl() { + return (mPrivateFlags2 & RESOLVED_LAYOUT_RTL) == RESOLVED_LAYOUT_RTL; + } + + /** * Assign a size and position to a view and all of its * descendants * |